Interface nsIAudioChannelAgentCallbackType

Hierarchy

Methods

AddRef QueryInterface Release windowAudioCaptureChanged windowSuspendChanged windowVolumeChanged

Methods

AddRef

  • Increases the reference count for this interface. The associated instance will not be deleted unless the reference count is returned to zero.

    Returns

    The resulting reference count.

    Returns number

QueryInterface

  • Parameters

    • aIID: object
    • Optional aInstancePtr: object

    Returns any

  • A run time mechanism for interface discovery.

    Returns

    NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.

    aInstancePtr must not be null.

    Parameters

    • aIID: object

      [in] A requested interface IID

    • aInstancePtr: object

      [out] A pointer to an interface pointer to receive the result.

    Returns void

Release

  • Decreases the reference count for this interface. Generally, if the reference count returns to zero, the associated instance is deleted.

    Returns

    The resulting reference count.

    Returns number

windowAudioCaptureChanged

  • Notified when the capture state is changed.

    Parameters

    • aCapture: bool

    Returns void

windowSuspendChanged

  • Notified when the window needs to be suspended or resumed.

    Parameters

    • aSuspend: uint32_t

    Returns void

windowVolumeChanged

  • Notified when the window volume/mute is changed

    Parameters

    • aVolume: number
    • aMuted: bool

    Returns void

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